電気学会論文誌A(基礎・材料・共通部門誌)
Online ISSN : 1347-5533
Print ISSN : 0385-4205
特集論文
広角用磁性フォトニック結晶の開発と磁気光学3次元ディスプレイへの応用
酒井 将生高木 宏幸中村 和樹後藤 太一中村 雄一Pang Boey Lim内田 裕久井上 光輝
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2017 年 137 巻 7 号 p. 398-403

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We developed a wide-viewing-angle magnetophotonic crystal (MPC) for a magneto-optic three-dimensional (3D) display. The display controlled nano-sized magnetic pixel using thermomagnetic recording method. The MPC can reconstruct high brightness 3D images in localization wavelength. However, localization effect is reduced because of changing optical length in MPCs, when incidence angle is not perpendicular. Therefore, the MPC has angular dependence. In this study, we designed MPC to reduce angular dependence of diffraction efficiency by changing thickness of dielectric layers. As a theoretical result, we improved angular dependence of MPC that light intensity difference was less than 7.9% when viewing-angle was less than ±15°.

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